30831640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3797}}^1$

素因数の和:3844

約数の個数: 64

約数和(自身を含む): 82036800

約数和(自身を除く): 51205160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3797, 4060, 7594, 8120, 15188, 18985, 26579, 30376, 37970, 53158, 75940, 106316, 110113, 132895, 151880, 212632, 220226, 265790, 440452, 531580, 550565, 770791, 880904, 1063160, 1101130, 1541582, 2202260, 3083164, 3853955, 4404520, 6166328, 7707910, 15415820, 30831640]

約数ペア:

[(1, 30831640), (2, 15415820), (4, 7707910), (5, 6166328), (7, 4404520), (8, 3853955), (10, 3083164), (14, 2202260), (20, 1541582), (28, 1101130), (29, 1063160), (35, 880904), (40, 770791), (56, 550565), (58, 531580), (70, 440452), (116, 265790), (140, 220226), (145, 212632), (203, 151880), (232, 132895), (280, 110113), (290, 106316), (406, 75940), (580, 53158), (812, 37970), (1015, 30376), (1160, 26579), (1624, 18985), (2030, 15188), (3797, 8120), (4060, 7594)]